From af4de36d911ab907b92c5f3f81ceff8474ed7485 Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Tue, 24 Nov 2009 16:54:16 +0100 Subject: [SCSI] zfcp: Block scsi_eh thread for rport state BLOCKED In case the SCSI error recovery starts because of a SCSI command timeout, but then something else triggers the rport to be deleted, the SCSI error recovery will run to the end and set the SCSI device offline. To prevent this, call the FC transport function fc_block_scsi_eh which waits until the rport leaves the BLOCKED state. This guarantees that communication is possible if the rport is ONLINE, or the SCSI devices will be removed if the rport state switches to NOT_PRESENT. Reviewed-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_scsi.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/s390/scsi') diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 535f36cf2819..3f1011663af5 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -209,6 +209,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) break; zfcp_erp_wait(adapter); + fc_block_scsi_eh(scpnt); if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) { zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL, @@ -248,6 +249,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) break; zfcp_erp_wait(adapter); + fc_block_scsi_eh(scpnt); if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) { zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt); @@ -289,6 +291,7 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt); zfcp_erp_wait(adapter); + fc_block_scsi_eh(scpnt); return SUCCESS; } -- cgit v1.2.3